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Erschienen in:
2010 | OriginalPaper | Buchkapitel
Realizability Is Controllability
verfasst von : Niels Lohmann, Karsten Wolf
Erschienen in: Web Services and Formal Methods
Verlag: Springer Berlin Heidelberg
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A
choreography
describes the interaction between services. It may be used for specification purposes, for instance serving as a contract in the design of an inter-organizational business process. Typically, not all describable interactions make sense which motivates the study of the
realizability
problem for a given choreography.
In this paper, we show that realizability can be traced back to the problem of
controllability
which asks whether a service has compatible partner processes. This way of thinking makes algorithms for controllability available for reasoning about realizability. In addition, it suggests alternative definitions for realizability. We discuss several proposals for defining realizability which differ in the degree of coverage of the specified interaction.